General requirements mainly involve the following aspects: The main parameters of the camera that should be met, including resolution, video compression algorithm, different bit rate settings and multi-stream output, bandwidth, network interface and audio input and output ports, interface type, and local storage slot , voltage fluctuation range, video delay, maximum brightness, geometric distortion rate, color reproduction error, etc.; functions that should be supported include automatic day and night mode conversion, wide dynamic range, strong light suppression and backlight compensation, automatic gain control, automatic white balance adjustment , backlight compensation, automatic electronic shutter, automatic aperture, motion detection, occlusion alarm, video loss alarm, time synchronization, etc.; Connectivity and openness requirements that should be met: including GBK font library, HTTPS, SSH, SNMP protocol, full authentication, and support creation Certificates, open APIs for software integration, etc.; Environmental and protection requirements that should be met, including outdoor camera protection level, environmental adaptability, power supply, electromagnetic compatibility, safety requirements, etc.
T/VSTR 002-2019 history
2019T/VSTR 002-2019 Railway universal camera technical requirements